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authorAlex Bennée <alex.bennee@linaro.org>2018-03-01 11:05:49 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-03-01 11:13:59 +0000
commit372087348d561e7f4051d7b32609bda417092ddf (patch)
tree2085517dc506229bca57df79481e732db72fc1f7 /target/arm
parent376e8d6cda985df31c8561db4b7ea365b6fe6f87 (diff)
arm/translate-a64: add FP16 FADD/FABD/FSUB/FMUL/FDIV to simd_three_reg_same_fp16
The fprintf is only there for debugging as the skeleton is added to, it will be removed once the skeleton is complete. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180227143852.11175-10-alex.bennee@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm')
-rw-r--r--target/arm/helper-a64.c4
-rw-r--r--target/arm/helper-a64.h4
-rw-r--r--target/arm/translate-a64.c28
3 files changed, 36 insertions, 0 deletions
diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c
index fddd5d242b..931a6d3c34 100644
--- a/target/arm/helper-a64.c
+++ b/target/arm/helper-a64.c
@@ -586,6 +586,10 @@ float16 ADVSIMD_HELPER(name, h)(float16 a, float16 b, void *fpstp) \
return float16_ ## name(a, b, fpst); \
}
+ADVSIMD_HALFOP(add)
+ADVSIMD_HALFOP(sub)
+ADVSIMD_HALFOP(mul)
+ADVSIMD_HALFOP(div)
ADVSIMD_HALFOP(min)
ADVSIMD_HALFOP(max)
ADVSIMD_HALFOP(minnum)
diff --git a/target/arm/helper-a64.h b/target/arm/helper-a64.h
index cb2a73124d..bac9469426 100644
--- a/target/arm/helper-a64.h
+++ b/target/arm/helper-a64.h
@@ -52,3 +52,7 @@ DEF_HELPER_FLAGS_3(advsimd_maxh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
DEF_HELPER_FLAGS_3(advsimd_minh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
DEF_HELPER_FLAGS_3(advsimd_maxnumh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
DEF_HELPER_FLAGS_3(advsimd_minnumh, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
+DEF_HELPER_3(advsimd_addh, f16, f16, f16, ptr)
+DEF_HELPER_3(advsimd_subh, f16, f16, f16, ptr)
+DEF_HELPER_3(advsimd_mulh, f16, f16, f16, ptr)
+DEF_HELPER_3(advsimd_divh, f16, f16, f16, ptr)
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 4828457b5b..f8770ee1e9 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -10283,6 +10283,34 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn)
read_vec_element_i32(s, tcg_op2, rm, pass, MO_16);
switch (fpopcode) {
+ case 0x0: /* FMAXNM */
+ gen_helper_advsimd_maxnumh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0x2: /* FADD */
+ gen_helper_advsimd_addh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0x6: /* FMAX */
+ gen_helper_advsimd_maxh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0x8: /* FMINNM */
+ gen_helper_advsimd_minnumh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0xa: /* FSUB */
+ gen_helper_advsimd_subh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0xe: /* FMIN */
+ gen_helper_advsimd_minh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0x13: /* FMUL */
+ gen_helper_advsimd_mulh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0x17: /* FDIV */
+ gen_helper_advsimd_divh(tcg_res, tcg_op1, tcg_op2, fpst);
+ break;
+ case 0x1a: /* FABD */
+ gen_helper_advsimd_subh(tcg_res, tcg_op1, tcg_op2, fpst);
+ tcg_gen_andi_i32(tcg_res, tcg_res, 0x7fff);
+ break;
default:
fprintf(stderr, "%s: insn %#04x, fpop %#2x @ %#" PRIx64 "\n",
__func__, insn, fpopcode, s->pc);